#ifndef FANCYTABWIDGET_H
#define FANCYTABWIDGET_H

#include <QIcon>
#include <QWidget>

#include <QTimer>
#include <QPropertyAnimation>
#include <QTextEdit>
#include <QSplitter>
#include <QStackedWidget>

class QPainter;
class QStackedLayout;
class QStatusBar;
class AbstractCore;
class QStatusBar;
class QStatusWidget;
class StyledBar;
class PageInterface;


class FancyActionBar;

class FancyTab : public QObject
{
    Q_OBJECT

    Q_PROPERTY(float fader READ fader WRITE setFader)
public:
    FancyTab(QWidget *tabbar) : enabled(true), tabbar(tabbar), m_fader(0) {
        animator.setPropertyName("fader");
        animator.setTargetObject(this);
    }
    float fader() { return m_fader; }
    void setFader(float value);

    void fadeIn();
    void fadeOut();

    QIcon icon;
    QString text;
    QString toolTip;
    bool enabled;

private:
    QPropertyAnimation animator;
    QWidget *tabbar;
    float m_fader;
};

class FancyTabBar : public QWidget
{
    Q_OBJECT

public:
    FancyTabBar(QWidget *parent = 0);
    ~FancyTabBar();

    bool event(QEvent *event);

    void paintEvent(QPaintEvent *event);
    void paintTab(QPainter *painter, int tabIndex) const;
    void mousePressEvent(QMouseEvent *);
    void mouseMoveEvent(QMouseEvent *);
    void enterEvent(QEvent *);
    void leaveEvent(QEvent *);
    bool validIndex(int index) const { return index >= 0 && index < m_tabs.count(); }

    QSize sizeHint() const;
    QSize minimumSizeHint() const;

    void setTabEnabled(int index, bool enable);
    bool isTabEnabled(int index) const;

    void insertTab(int index, const QIcon &icon, const QString &label) {
        FancyTab *tab = new FancyTab(this);
        tab->icon = icon;
        tab->text = label;
        m_tabs.insert(index, tab);
    }
    void setEnabled(int index, bool enabled);
    void removeTab(int index) {
        FancyTab *tab = m_tabs.takeAt(index);
        delete tab;
    }
    void setCurrentIndex(int index);
    int currentIndex() const { return m_currentIndex; }

    void setTabToolTip(int index, QString toolTip) { m_tabs[index]->toolTip = toolTip; }
    QString tabToolTip(int index) const { return m_tabs.at(index)->toolTip; }

    QIcon tabIcon(int index) const { return m_tabs.at(index)->icon; }
    QString tabText(int index) const { return m_tabs.at(index)->text; }
    int count() const {return m_tabs.count(); }
    QRect tabRect(int index) const;
    int   findTab(const QString &label);
signals:
    void currentChanged(int);

public slots:
    void emitCurrentIndex();

private:
    static const int m_rounding;
    static const int m_textPadding;
    QRect m_hoverRect;
    int m_hoverIndex;
    int m_currentIndex;
    QList<FancyTab*> m_tabs;
    QTimer m_triggerTimer;
    QSize tabSizeHint(bool minimum = false) const;
};

class FancyTabWidget : public QWidget
{
    Q_OBJECT

public:
    FancyTabWidget(AbstractCore* core,QWidget *parent = 0);

    void insertTab(int index, QWidget *tab, const QIcon &icon, const QString &label,PageInterface *page);
    void removeTab(int index);
    void setBackgroundBrush(const QBrush &brush);
    void setTabToolTip(int index, const QString &toolTip);

    void paintEvent(QPaintEvent *event);
    int tagCount();
    int currentIndex() const;

    void setTabEnabled(int index, bool enable);
    bool isTabEnabled(int index) const;

    int  findTab(const QString &label);
    void setCurrentIndex(const QString &label);
signals:
    void currentAboutToShow(int index);
    void currentChanged(int index);

public slots:
    void setCurrentIndex(int index);
    void setSelectionWidgetHidden(bool hidden);

private slots:
    void showWidget(int index);
    void statusClicked(int index,bool select);
private:
    FancyTabBar *m_tabBar;
    QStackedLayout *m_modesStack;
    QStatusBar  *m_statusbar;
    QWidget *m_selectionWidget;
    FancyActionBar      *m_actionBar;
    QStatusWidget       *m_statusWidget;

    QSplitter           *m_splitter;

    QStackedWidget      *m_outputView;
    QWidget             *m_debugMsgView;
    QWidget             *m_findView;
};

#endif // FANCYTABWIDGET_H
